On the tube

n "Survivor: China," 8 p.m., CBS. Deserted? Hardly. Instead of dropping its contestants in a remote location, season 15 of the reality series puts them in the world's most populous country. The contestants, as always, are a unique bunch that includes a 20-year-old half-Russian, half-Japanese college student and a 47-year-old chicken farmer - who have two of the most unusual nicknames ever heard on this show.

n "The Office," 9 p.m., NBC. Change is good ... or is it? As Michael, Jim and Karen (Steve Carell, John Krasinski, Rashida Jones) compete for a job at corporate headquarters, Dwight (Rainn Wilson) makes some radical changes in the way things are done at the Scranton office. Jan (Melora Hardin) has some big news for the staff in "The Job, Parts 1 & 2."

n "Ugly Betty," 8 p.m., ABC. The emotional roller coasters are in overdrive in "East Side Story." Henry (Christopher Gorham) has dumped his hometown honey and makes a real date with Betty (America Ferrera), then the ex announces she's pregnant. Wilhelmina (Vanessa Williams) makes a deal with a rival to get the perfect wedding venue, but the price proves too high. Justin (Mark Indelicato) makes his leading-man debut in a school musical, but the night is marred by tragedy.

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n "CSI: Crime Scene Investigation," 9 p.m., CBS. Watch out, Miniature Killer, they're on to you. The investigators finally learn the identity of the person who's been leaving those little crime-scene replicas around. While they're trying to find the murderer, Sara (Jorja Fox) disappears, and her relationship with Grissom (William Petersen) is revealed to the rest of the team.